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1.

If x and y are consecutive positive integers, which of the following must be an even integer ?

  • A. x
  • B. x
  • C. x
  • D. x

Answer: Option E

Explanation:

As x and y are consecutive positive integers. Let , x = 1 and y = 2,

As we know that, odd × even = even

so, xy = 1×2 = 2


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